Students Design Low-Cost Floating Cage For Aquaculture

By TheHindu on 10 May 2016 | read
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Image titleStudents of the Sri Mandali Venkata Krishna Rao Fisheries Polytechnic College, Bhavadevarapalli designed two low-cost floating High-density Polyethylene (HDPE) cages, meant for cultivation of brackish water fish in rivers.

Of the total 10 students involved in the project, eight are girls. The cages were made of eucalyptus poles, thermocol sheets and empty plastic cans. The investment to develop a cage covering an area of 16 square feet is as low as Rs 50,000 compared to the iron cage of the same size costing Rs 2 lakh designed and developed by the Central Marine Fisheries Research Institute, Cochin, they said.

“Our cage capacity is five tonnes of fish, equivalent to a hectare in the pond”, final year student G. Rubeena told The Hindu . The final year students — N. Krishna Veni, P. Ramya Deepthi, S. Gayatri, M. Ramoji, Y. Vasanta, B. Susmitha, G.V. Hemalatha and boys — P. Pramod and K. Nagaraju — were part of the project that was encouraged by Nagayalanka-based farmer T. Raghu Sekhar.

In early February, the two cages were built. The cage floats on water with the support of thermocol sheets and empty plastic cans, poles tied in the shape of a square. One net is underwater and another net covers the top to prevent the fish from jumping out.

Students bring down cost of cage from Rs. 2 lakh to Rs. 50,000 Cultivation of Asian Seabass seed begins in the two cages

 

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